87645625

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:223

約数の個数: 40

約数和(自身を含む): 118593288

約数和(自身を除く): 30947663

約数列:

[1, 5, 17, 25, 73, 85, 113, 125, 365, 425, 565, 625, 1241, 1825, 1921, 2125, 2825, 6205, 8249, 9125, 9605, 10625, 14125, 31025, 41245, 45625, 48025, 70625, 140233, 155125, 206225, 240125, 701165, 775625, 1031125, 1200625, 3505825, 5155625, 17529125, 87645625]

約数ペア:

[(1, 87645625), (5, 17529125), (17, 5155625), (25, 3505825), (73, 1200625), (85, 1031125), (113, 775625), (125, 701165), (365, 240125), (425, 206225), (565, 155125), (625, 140233), (1241, 70625), (1825, 48025), (1921, 45625), (2125, 41245), (2825, 31025), (6205, 14125), (8249, 10625), (9125, 9605)]